CVE-2026-1577

{
  "id": "CVE-2026-1577",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-30T22:16:25.017",
  "lastModified": "2026-10-26T22:10:00.163",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic."
    },
    {
      "lang": "es",
      "value": "IBM Db2 11.5.0 hasta 11.5.9, y 12.1.0 hasta 12.1.4 para Linux, UNIX y Windows (incluye Db2 Connect servidor) podría permitir a un usuario autenticado causar una denegación de servicio debido a una neutralización indebida de elementos especiales en la lógica de consulta de datos."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "Db2",
          "cpes": [
            "cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:db2:12.1.4:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "version": "11.5.0",
              "lessThanOrEqual": "11.5.9",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "12.1.0",
              "lessThanOrEqual": "12.1.4",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-01T16:06:31.745842Z",
          "id": "CVE-2026-1577",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1284"
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:*",
              "versionStartIncluding": "11.5.0",
              "versionEndIncluding": "11.5.9",
              "matchCriteriaId": "ECAF5576-B4A5-4DB7-94F0-942F656F0461"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:*",
              "versionStartIncluding": "11.5.0",
              "versionEndIncluding": "11.5.9",
              "matchCriteriaId": "B1E165E8-F11B-4F13-B54A-90D29CA2ABF8"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:*",
              "versionStartIncluding": "11.5.0",
              "versionEndIncluding": "11.5.9",
              "matchCriteriaId": "727E2804-2D3D-4C31-A3E5-F99107D02A27"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:*",
              "versionStartIncluding": "12.1.0",
              "versionEndIncluding": "12.1.4",
              "matchCriteriaId": "1E004F72-3A78-4548-AB21-E048C5E79536"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:*",
              "versionStartIncluding": "12.1.0",
              "versionEndIncluding": "12.1.4",
              "matchCriteriaId": "83BC943C-4CB3-4751-9E03-B8BB18113DF3"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:*",
              "versionStartIncluding": "12.1.0",
              "versionEndIncluding": "12.1.4",
              "matchCriteriaId": "B5327C79-7D77-4435-8FC3-B6568C1DE2B1"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7269434",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}